The Collaborative International Dictionary of English v.0.48:
Framer \Fram"er\, n. One who frames; as, the framer of a building; the framers of the Constitution. [1913 Webster]WordNet (r) 3.0 (2006):
framer n 1: someone who makes frames (as for pictures) 2: someone who writes a new law or plan; "the framers of the Constitution"